intro to amp

Question 1

are UE amp regular

Answer 1

no they make up a very small percentage

Question 2

percent of above the knee amp

Answer 2

31%

Question 3

percent of below the knee amp

Answer 3

47%

Question 4

what two locations make up the greatest precentage of amp

Answer 4

above and below the knee

Question 5

how do we decide where to amp

Answer 5

blood flow

extent of tissue necrosis

lines of demaration - gangrene

location of the tumor, cog deformity

Question 6

in the UE do we expect the circulation to be impaired

Answer 6

no this is rare

Question 7

why do we need to know about blood flow with amp location

Answer 7

there has to be enough blood flow to allow the are to heal

Question 8

what is the line of demarcation in gangrene

Answer 8

the line the seperates healthy tissue and necrosis tissue

Question 9

what are signs that we look for when we are deciding where to amp

Answer 9

palpable pulse in the major art above the amp site

Question 10

above the knee pulse

Answer 10

femoral

Question 11

belwo the knee pulse

Answer 11

popliteal

Question 12

what does lisfranc mean

Answer 12

a collection of the bone and the ligament in the midfoot region

Question 13

what is a lisfranc disarticulation/dislocations

Answer 13

a spectrum of injuries involving the tarsometatarsal joints of the foot.

Question 14

lisfranc amp advantages

Answer 14

still are keeping the remainder of your foot, heel

Question 15

lisfranc amp disadvantages

Answer 15

you are walking on parts of the foot that you are not supposed be walking on

Question 16

what is a syme amp

Answer 16

ankle disarticulation - moves the calcaneus

remove of malleio

and anchoring heel pad to weight bearing surface

Question 17

what is the LE amp of choice

Answer 17

trans tibial - having a knee is very beneficial

The outcomes for transfemoral are much worse then transtibial

Question 18

why is the trans tibial the LE amp of choice

Answer 18

better able to tolerated post op fitting of. prothesis or ridgid dressing

Question 19

what is the advantage of the long posterior flap tech

Answer 19

allows for better circulation, healing, fitting of pro

Question 20

how does the length of the residual limb effect outcomes

Answer 20

affects mobility

Question 21

short trans tibial outcomes

Answer 21

small moment arm and hard knee ext

Question 22

standard trans tibial outcomes

Answer 22

biomech sufficient moment arm

Question 23

long trans tibial outcomes

Answer 23

less padding

and potentially less blood supply

Question 24

what is the mortality rate for trans tibial surgery

Answer 24

9.5%

Question 25

posterior flap trans tibial fibula and tibia length

Answer 25

the fibular a is a little shorter then the tibia

Question 26

posterior flap trans tibial front of the tibia

Answer 26

the front is beveled

Question 27

posterior flap trans tibial - what is used as padding

Answer 27

long skin and muscle flap gastroc

Question 28

posterior flap trans tibial - where is the scar located

Answer 28

on the anterior border - there is less weight bearing in this location

Question 29

what is the most popular type of trnas tib amp now adays

Answer 29

posterior flap before there was a lot of weight bearing directly onto the bone

Question 30

complications withe posterior flap tib amp, or just amp in general

Answer 30

delayed healing infections dehiscence poor contour of the resisdual limb - dog ear or bulbous neuroma phantom pain joint contracture

Question 31

what does dehiscence mean

Answer 31

the splitting of the wound

Question 32

what does Dog ears mean in terms of amp

Answer 32

characteristic puckering of the skin that can occur after surgical wound closure they are preventable

Question 33

what is a neuroma

Answer 33

benign tumor of nerve tissue that is often associated with pain or specific types of various other symptoms

Question 34

what type of amp is performed more - trans tib or femoral

Answer 34

trans tib is performed more

Question 35

what are some major indications for transfemoral

Answer 35

vascular disease trauma tumors

Question 36

who has better functional outcome tib or femoral

Answer 36

tib

Question 37

who has worst survival rate - tib or femoral

Answer 37

femoral (looking years after the surgery)

Question 38

what posterior muscle is brought around to the front in femoral

Answer 38

adductor Magnus and attached to the lateral distal aspect quad and hamstrings are sutured together

Question 39

what does adductor myodesis prevent

Answer 39

the lateral movement of the femur

Question 40

what is a lisfranc new term

Answer 40

partal foot

Question 41

what is syme new term

Answer 41

ankle disarticulation